create quota

I had a problem with quotas create, when I create a new account on the VPS to its quota setting my 500MB, but once made the result is unlimited M, I try to change the outcome anyway quota unlimited, then I try to click on these instructions "Hints
If all users are listed having 0 disk space used and this is incorrect; Please click here to rebuild your quota files. "
result like this:

Results of your request
Installing Default Quota Databases ...... Done
Linux Quota Support
Quotas are now on
Updating Quota Files ......
quotacheck: Can not find filesystem to check or filesystem not mounted with quota option.
quotacheck: Can not find filesystem to check or filesystem not mounted with quota option. Done ....
No filesystems with quota detected.
Resetting quota for breadcum to 500 M
No filesystems with quota detected.
Resetting quota for bukatoko to 500 M
No filesystems with quota detected.
Resetting quota for chibikur to 20,000 M
No filesystems with quota detected.
Resetting quota for dadangra to 500 M
No filesystems with quota detected.
Resetting quota for the list to 250 M
No filesystems with quota detected.
Resetting quota for daftarto to 500 M
No filesystems with quota detected.
Resetting quota for indonesi to 500 M
No filesystems with quota detected.
Resetting quota for jeans4ev to 500 M
No filesystems with quota detected.
Resetting quota for the collection to 250 M
No filesystems with quota detected.
Resetting quota for mediaar to 1024 AD
No filesystems with quota detected.
Resetting quota for megadire to 600 M
No filesystems with quota detected.
Resetting quota for megadisc to 7000 AD
No filesystems with quota detected.
Resetting quota for melind85 to 7000 AD
No filesystems with quota detected.
Resetting quota for melindac to 5000 AD
No filesystems with quota detected.
Resetting quota for mielbaby to 250 M
No filesystems with quota detected.
Resetting quota for mywedd to 600 M
No filesystems with quota detected.
Resetting quota for oleh2ba to 0 M
No filesystems with quota detected.
Resetting quota for revoluti to 250 M
No filesystems with quota detected.
Resetting quota for sikabay to 0 M
No filesystems with quota detected.
Resetting quota for tokoonli to 250 M
No filesystems with quota detected.
Resetting quota for tonline to 600 M